Patent US4618894A successfully refreshed from Google Patents.
Patent US2215756A successfully refreshed from Google Patents.
US2215756A
Expired / Lapsed
US
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Fuel delivery apparatus for injection internal combustion engines
Assignee: Robert Bosch GmbH
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Filing: 1938-04-14
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Granted: 1940-09-24
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Expires: 1958-04-14
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Hans
- 👤 Janssen Johann Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:00
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/001; F02M; F02M55/00; F02M55/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-09-24 | 1944-03-25 | 1944-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-24 | 1948-03-25 | 1948-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-24 | 1952-03-25 | 1952-09-24 | $7700.00 | Window Closed / Lapsed |